Metallic bushing



(NO'ModeL) 0. HEMJE.

v METALLIC BUSHING. N0. 296,564. Patented Apr.'8, 1.884.

Witnesses N'. PETERS. mumngmprm Washington \1 c.

UNITED STATES PATENT rrICe.

CHARLES HEll IJE, OF WASHINGTON, DISTRICT OF COLUMBIA.

METALLIC BUSHING.

SPECIFICATION forming part of Letters Patent No. 296,564, dated April 8, 1884.

Application filed January 4, 1884.

To all whom it may concern.-

Be it known that I, CHARLES HEMJE, acitizen of the United States, residing at Washington, in the District of Columbia, have invented certain new and useful Improvements in Metallic Bushings; and I do hereby do clare the following to be a full, clear, and er actdescription of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to metallic or rigid bushings for barrels, kegs, &c., and especially to that kind in which wooden plugs are used, said plugs being provided with a suitable cavityi'or the introduction of the spigot intothe cavity, so that after the web-oi the plug has been removed the remaining portion of the plug forms a yielding lining in the rigid bushing. Onegreat objection in the bushings now in use is that the web of the plug which has been compressed so as to give the pluga tapering shape has a tendency to swell again to its normal size as soon as the liquid contained in the keg or barrel comes in contact with it, in consequence of which the web is held much more firmly by the bushing than the ring of the plug, for which reason it frequently happens that the web does not split from the ring, asis intended, but carries the ring with it into thekeg, thus spilling more or less of the contents.

The object of my invention is that the web of the plug shall not be held any firmer than the ring; or, if it is desired, that the web shall not be held at all by the bushing; and, furthermore, by a peculiar construct-ion of the interior of the bushing, the ring of the plug is prevented from being driven through, and a cut or groove is made in the exterior circumference of the plug at a point where the split is intended to take place, so that the web can be removed from the ring at a certain point.

In the accompanying drawings, Figure 1 represents a vertical section of my improved bushing. Fig. 2 is a bottom view ofthesame, and Fig. 3 is a modification of Fig. 1. Fig. 4

is a section of a plug used with such metallic bushings, and Fig. 5 illustrates the action of my improved bushing on the plug.

The bushing is slightly tapering, as shown in the drawings. 7

On its outer circumference (No model.)

it is provided with screwth reads for the purpose of fastening it into the head of the keg or barrel, and at the top it is provided with a flange, A, which rests on the head'of the keg or can be sunk into the head so as to be flush. The interior of the bushing is also slightly tapering, but this taper is not straight or uniform as in bushings heretofore used, but is what may be called an increasing taper, so that in cross-section the inside taper does not form a straight line, the greatest taper being toward the inner or smaller end of the bushing. The object of increasing the taper toward the inner end is to more firmly compress the lower end of the plug while it is being driven into the bushing, and at the same time to prevent the ring of the plug from being driven through the bushin In Fig. 3 the increasing taper of the bushing is angular, the lower end of the taper, G, slightly exceeding orbeing moreabrupt than the upper end, (I. The lower end of the bushing is provided with a circumferential recess, f, of a height-about equal to the height of the web of the plug, thus allowing the web of the plug to expand or swell when it comes into contact with theliquid contained in the keg or barrel. If the recess f is made small, the web of the plug, after having expanded,will come in contact with the wall of the recess, thereby slightly holding the web, while if the recess is made deeper, the web of the plug will be entirely unsupported.

Having thus fully described my invention, what I claim as new is- 1. A bushing for barrels, kegs, or other vessels, having an increasing inside taper, and at its lower end a circuinierential recess, sub stantially as shown and described.

2. The combination of a bushing having an increasing inside taper and a circumferential recess at its lower end with a plug or bung having a central cavity inserted therein, substantially as shown and described.

In testimony that I claim the foregoing I have hereunto set my hand this 8d day of January, 1884..

CHARLES HEMJE. Witnesses:

Geo. W. Tn-rsrnuen, O. R. HANSOOM. 

